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Under a powerful X-ray laser, coral reveals weather patterns from centuries ago
Like rings on a tree, coral exoskeletons grow in layers, helping paleoclimatologists learn about weather trends and phenomena from as many as 500 years ago. When exposed to a synchrotron – one of the world’s most powerful X-ray machines – in a Stanford University lab, the coral’s secrets become even more pronounced, revealing weather patterns and ocean temperatures down to the week, and giving researchers a highly detailed and accurate look at weather over several centuries past.
Producer: Jason Jaacks
Website: Deep Look
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Nature and landscape
‘A culture is no better than its woods’ – what our trees reveal about us, by W H Auden
5 minutes
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Oceans and water
A stunning visualisation explores the intricate circulatory system of our oceans
5 minutes
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Animals and humans
One man’s quest to save an orphaned squirrel, as narrated by David Attenborough
14 minutes
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Earth science and climate
Images carved into film form a haunting elegy for a disappearing slice of Earth
3 minutes
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Biology
Butterflies become unrecognisable landscapes when viewed under electron microscopes
4 minutes
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Engineering
Can monumental ‘ice stupas’ help remote Himalayan villages survive?
15 minutes
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Fairness and equality
There’s a dirty side to clean energy in the metal-rich mountains of South Africa
10 minutes
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Biology
‘Save the parasites’ may not be a popular rallying cry – but it could be a vital one
11 minutes
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Evolution
The many ways a lizard tongue sticks, grasps, pinches and plops – in slo-mo
6 minutes